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Chicago Cubs at Seattle Mariners

MLBregular • 2026-2027 Season
completed
Mariners logo
Mariners
Seattle
1
vs
Cubs logo
Cubs
Chicago
7
SEA 55%45% CHC
Prediction Confidence:
Moderate

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VenuePeoria Stadium
Peoria, Arizona

Team Comparison

Head-to-head snapshot based on our model inputs

Cubs (away)
Mariners (home)
45%
Win probability
55%
0
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Cubs defeated the Mariners 7-1.

Our model predicted the Mariners would win with 55% confidence, but the Cubs pulled off the upset. These outcomes are what keep sports compelling -- and help our model learn.

Looking at the factors our model weighed:

  • Home Field Advantage favored the Mariners and was a notable factor: Base home field advantage applied (no detailed stats available)
  • Offensive Efficiency was neutral and a contributing factor: No offensive stats available for comparison
  • Defensive Efficiency was neutral and a contributing factor: No defensive stats available for comparison

This analysis was generated from our model's pre-game assessment compared against the actual result. Factor accuracy helps improve future predictions.

Cubs won 1-7

Cubs won by a solid margin

Prediction IncorrectWe predicted Mariners at 55%

What's Driving This Game

Each factor's contribution to the final win probability

CHC
SEA
Home Field Advantage
Favours CHC|Favours SEA

Premium feature: factor breakdown

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Understanding the win probability calculation

2 factors not shown (insufficient data)

Model version: 1.0.0 • Calculated: 3/21/2026, 8:45:01 AM

Key Players

Cubs

Shota ImanagaSP
Colin ReaSP
Jameson TaillonSP
Edward CabreraSP
Dansby SwansonSS

Mariners

Logan GilbertSP
Luis CastilloSP
George KirbySP
Bryce MillerSP
Bryan WooSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Mariners has a 55% win probability, while Cubs has a 45% win probability based on our analysis.

Our model considers weather conditions, offensive and defensive efficiency, rest days, injury impact, and historical performance.

This game is being played at Peoria Stadium in Peoria, Arizona.

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Chicago Cubs at Seattle Mariners - Mar 22, 2026 - MLB | PlayDecoded